Slide 1 The Nature and Origin of Molecular Knots in Planetary Nebulae Sarah Eyermann – U. of Missouri Angela Speck – U. of Missouri Margaret Meixner – STScI Peter McCullough…

Slide 1 Studying circumstellar envelopes with ALMA David Neufeld Johns Hopkins University Slide 2 The 0.1 – 10 4  m background Since t = 10 5 yr, most of the photons…

Slide 1 Claudia Maraston Oxford University The AGB phase and the ages and masses of high-z galaxies Galaxy Evolution through Cosmic Times- Venezia, 2006 Slide 2 Claudia Maraston…

Abundances in Asymmetric PNe: confrontation to AGB models Letizia Stanghellini, NOAO Special thanks: Martin Guerrero, Katia Cunha, Arturo Manchado, Eva Villaver, Bruce Balick,…

14N/15N ratios in AGB C-stars and the origin of SiC grains Eurogenesis- Perugia Workshop, Nov 12-14, 2012 C. Abia R. Hedrosa (Granada) B. Plez (Montpellier) I. Domínguez…

Asteroseismology of evolved stars: from hot B subdwarfs to white dwarfs Valerie Van Grootel Université de Liège, FNRS Research Associate Main collaborators: AG2014 –…

“Analysis and interpretation of stellar spectra and nucleosynthesis processes in evolved stars” D. A. García-Hernández (IAC Support Astronomer) Instituto de Astrofísica…

Abundances in Asymmetric PNe: confrontation to AGB models Letizia Stanghellini, NOAO Special thanks: Martin Guerrero, Katia Cunha, Arturo Manchado, Eva Villaver, Bruce Balick,…

The Nature and Origin of Molecular Knots in Planetary Nebulae Sarah Eyermann â U. of Missouri Angela Speck â U. of Missouri Margaret Meixner â STScI Peter McCullough â…

Studying circumstellar envelopes with ALMA David Neufeld Johns Hopkins University The 0.1 – 104 mm background Since t = 105 yr, most of the photons generated in the Universe…